GB2365620A - Optical wavelength shifting by semiconductor intersubband laser - Google Patents
Optical wavelength shifting by semiconductor intersubband laser Download PDFInfo
- Publication number
- GB2365620A GB2365620A GB0019376A GB0019376A GB2365620A GB 2365620 A GB2365620 A GB 2365620A GB 0019376 A GB0019376 A GB 0019376A GB 0019376 A GB0019376 A GB 0019376A GB 2365620 A GB2365620 A GB 2365620A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- electromagnetic radiation
- laser
- radiation
- semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 61
- 230000003287 optical effect Effects 0.000 title abstract description 24
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000013307 optical fiber Substances 0.000 claims abstract description 17
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims description 19
- 230000001131 transforming effect Effects 0.000 claims description 4
- 230000001902 propagating effect Effects 0.000 claims 2
- 230000001427 coherent effect Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 2
- 230000005577 local transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/3401—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers having no PN junction, e.g. unipolar lasers, intersubband lasers, quantum cascade lasers
- H01S5/3402—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers having no PN junction, e.g. unipolar lasers, intersubband lasers, quantum cascade lasers intersubband lasers, e.g. transitions within the conduction or valence bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0604—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising a non-linear region, e.g. generating harmonics of the laser frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
- H01S5/0608—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by light, e.g. optical switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
- H01S5/5054—Amplifier structures not provided for in groups H01S5/02 - H01S5/30 in which the wavelength is transformed by non-linear properties of the active medium, e.g. four wave mixing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Optics & Photonics (AREA)
- Biophysics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Lasers (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
- Glass Compositions (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0019376A GB2365620A (en) | 2000-08-07 | 2000-08-07 | Optical wavelength shifting by semiconductor intersubband laser |
| DE60105825T DE60105825T2 (de) | 2000-08-07 | 2001-07-27 | Optische wellenlängenverschiebung |
| EP01953221A EP1310024B1 (de) | 2000-08-07 | 2001-07-27 | Optische wellenlängenverschiebung |
| AU2001275714A AU2001275714A1 (en) | 2000-08-07 | 2001-07-27 | Optical wavelength shifting |
| AT01953221T ATE277440T1 (de) | 2000-08-07 | 2001-07-27 | Optische wellenlängenverschiebung |
| ES01953221T ES2227242T3 (es) | 2000-08-07 | 2001-07-27 | Desplazamiento de longitud de onda optica. |
| PCT/GB2001/003394 WO2002013344A1 (en) | 2000-08-07 | 2001-07-27 | Optical wavelength shifting |
| US10/343,929 US7081985B2 (en) | 2000-08-07 | 2001-07-27 | Optical wavelength shifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0019376A GB2365620A (en) | 2000-08-07 | 2000-08-07 | Optical wavelength shifting by semiconductor intersubband laser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0019376D0 GB0019376D0 (en) | 2000-09-27 |
| GB2365620A true GB2365620A (en) | 2002-02-20 |
Family
ID=9897149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0019376A Withdrawn GB2365620A (en) | 2000-08-07 | 2000-08-07 | Optical wavelength shifting by semiconductor intersubband laser |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7081985B2 (de) |
| EP (1) | EP1310024B1 (de) |
| AT (1) | ATE277440T1 (de) |
| AU (1) | AU2001275714A1 (de) |
| DE (1) | DE60105825T2 (de) |
| ES (1) | ES2227242T3 (de) |
| GB (1) | GB2365620A (de) |
| WO (1) | WO2002013344A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6788727B2 (en) * | 2002-06-13 | 2004-09-07 | Intel Corporation | Method and apparatus for tunable wavelength conversion using a bragg grating and a laser in a semiconductor substrate |
| FR2965642B1 (fr) | 2010-09-30 | 2012-10-26 | Centre Nat Rech Scient | Convertisseur optique de longueur d'onde |
| US9020350B2 (en) | 2011-06-24 | 2015-04-28 | Techsys Insights | Optical spectrum recovery |
| KR102065318B1 (ko) | 2012-02-03 | 2020-01-10 | 라피스캔 시스템스, 인코포레이티드 | 조합형 산란 및 투과 멀티-뷰 이미징 시스템 |
| US10670740B2 (en) | 2012-02-14 | 2020-06-02 | American Science And Engineering, Inc. | Spectral discrimination using wavelength-shifting fiber-coupled scintillation detectors |
| WO2016154044A1 (en) | 2015-03-20 | 2016-09-29 | Rapiscan Systems, Inc. | Hand-held portable backscatter inspection system |
| US10830911B2 (en) * | 2018-06-20 | 2020-11-10 | American Science And Engineering, Inc. | Wavelength-shifting sheet-coupled scintillation detectors |
| US11340361B1 (en) | 2020-11-23 | 2022-05-24 | American Science And Engineering, Inc. | Wireless transmission detector panel for an X-ray scanner |
| US12283389B2 (en) | 2021-10-01 | 2025-04-22 | Rapiscan Holdings, Inc. | Methods and systems for the concurrent generation of multiple substantially similar X-ray beams |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04360591A (ja) * | 1991-06-06 | 1992-12-14 | Hamamatsu Photonics Kk | 波長可変光源装置 |
| FR2736168B1 (fr) * | 1995-06-30 | 1997-07-25 | Thomson Csf | Convertisseur de frequence comprenant un guide semiconducteur a heterostructure |
| FR2740271B1 (fr) * | 1995-10-20 | 1997-11-07 | Thomson Csf | Laser a puits quantique |
| FR2784514B1 (fr) * | 1998-10-13 | 2001-04-27 | Thomson Csf | Procede de controle d'un laser semiconducteur unipolaire |
-
2000
- 2000-08-07 GB GB0019376A patent/GB2365620A/en not_active Withdrawn
-
2001
- 2001-07-27 AT AT01953221T patent/ATE277440T1/de not_active IP Right Cessation
- 2001-07-27 ES ES01953221T patent/ES2227242T3/es not_active Expired - Lifetime
- 2001-07-27 WO PCT/GB2001/003394 patent/WO2002013344A1/en not_active Ceased
- 2001-07-27 EP EP01953221A patent/EP1310024B1/de not_active Expired - Lifetime
- 2001-07-27 US US10/343,929 patent/US7081985B2/en not_active Expired - Fee Related
- 2001-07-27 AU AU2001275714A patent/AU2001275714A1/en not_active Abandoned
- 2001-07-27 DE DE60105825T patent/DE60105825T2/de not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| DS George and MW McCall, "Wavelength conversion schemes ..."Int. Journ. Optoelec. vol.10 pp 315-323 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60105825T2 (de) | 2005-10-06 |
| AU2001275714A1 (en) | 2002-02-18 |
| ES2227242T3 (es) | 2005-04-01 |
| EP1310024A1 (de) | 2003-05-14 |
| ATE277440T1 (de) | 2004-10-15 |
| EP1310024B1 (de) | 2004-09-22 |
| DE60105825D1 (de) | 2004-10-28 |
| US7081985B2 (en) | 2006-07-25 |
| GB0019376D0 (en) | 2000-09-27 |
| WO2002013344A1 (en) | 2002-02-14 |
| US20050073740A1 (en) | 2005-04-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |